An auxiliary pad for ultrasonic automatic scanner, which comprises a contact surface and a joint surface, the joint surface is combined with the scanning probe of the breast ultrasonic automatic scanner, the contact surface is used to contact the breast skin of an examinee, the inner side and central area of the auxiliary pad have a first thickness, the outer side of the auxiliary pad, the upper side of the part connected with the outer side and the outer side are connected with the auxiliary pad The lower side of the part of has a second thickness, which is greater than the first thickness； the second thickness and the first thickness are connected by a concave curvature surface.Through the contact surface with different thickness and curvature, the auxiliary pad covers the whole breast and concentrates to the center of the breast. The auxiliary pad completely fits the whole breast area, and the fitting area can be expanded to the breast skin close to the armpit, specifically reducing the scanning dead angle.一種超音波自動掃描儀輔助墊，該輔助墊包含一接觸面和一結合面；該結合面結合於乳房超音波自動掃描儀的掃描探頭，該接觸面用以接觸一受檢者乳房皮膚；該輔助墊的內側及中央區域具有一第一厚度，該輔助墊之外側、與該外側連接之部分上側、與該外側連接的部分下側均具有一第二厚度，該第二厚度大於該第一厚度；該第二厚度與該第一厚度以一凹曲率面連接。輔助墊通過具有不同厚度和曲率的接觸面，將整個乳房包覆並且向乳房的中心方向集中，輔助墊與乳房全區域完全貼合，貼合的區域可擴及接近腋下的乳房皮膚，具體的減少了掃描死角。
